Model: 518417

Square Plain Nut

Properties:

Thread Pitch Diameters

+0.1660/+0.1662 inches

Thread Direction

Right-hand

Nut Style

Square

Nut Height

Between 0.140 inches and 0.160 inches

Width Across Flats

Between 0.350 inches and 0.370 inches

Thread Series

Uns

Thready Qty Per Inch (tpi)

Hardness Rating

Between 20.0 rockwell c and 26.0 rockwell c

Thread Size

0.190 inches

Countersink Angle

90.0 degrees nut

Bearing Surface Type

Chamfered

Bearing Surface Finish

63.0 microinches

Material

Steel comp 8740

Material Specification

Ams 6322 assn standard single material response

Surface Treatment

Cadmium

NSN

5310-00-949-9466

Part Number

518417

Description

Nut,plain,square

CAGE

77445

A nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 518417 NSN 5310-00-949-9466

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01858

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel